What quantity of electrons in moles is needed to discharge two moles of aluminum from aluminum oxide (AI 2O3)
Question 1 Report
What quantity of electrons in moles is needed to discharge two moles of aluminum from aluminum oxide (AI 2O3)
Answer Details
In order to discharge two moles of aluminum from aluminum oxide (Al2O3), each Al3+ ion in the Al2O3 must be reduced to Al metal, which requires the gain of three electrons per Al3+ ion. Therefore, for two moles of aluminum, there are 2 x Avogadro's number (6.022 x 1023) of Al3+ ions that need to be reduced, and each of these requires 3 electrons. Thus, the total number of electrons needed is 2 x Avogadro's number x 3 = 3.612 x 1024 electrons, which can be expressed as 6 moles of electrons. Therefore, the correct answer is 6.
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